| Champ: | Anastasia Potapova |
| Runner: | Petra Martić |
| Score: | 6–3, 6–1 |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | singles doubles |
| Main Name: | Linz Open |
| Before Year: | 2021 |
See main article: article and 2023 Upper Austria Ladies Linz.
Anastasia Potapova defeated Petra Martić in the final, 6–3, 6–1 to win the singles tennis title at the 2023 Linz Open.
Alison Riske-Amritraj was the reigning champion, from when the event was last held in 2021,[1] but chose not to compete this year.